Starts tomorrow... will post pictures soon...

 

 

Subscribing!

 

Subscribing as well

 

ECU is out. Stage 1 being worked on. Baseline dyno tomorrow, upload new tune and repeat dyno. More to come...

 

Subscribing! You're not worried about losing your factory warranty?

 

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I. O. O.





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I like your style

 

Hey Mclane.

You walk around on the carpet and make fists with your toes?



Correct me if I'm wrong but can't the tune be flashed back to stock without any history of it before you return the car to the dealer for maintenance?

 

Can be put back to normal..but can always bee seen that its not the original.
This is one of the reasons I buy new in a high performance engine car( 2 current) , stop the people trying to cheat me by mapping while they use, then returning it without declaring the proper history. Frankly in my opinion its not just disingenuous, it is potentially fraudulent misrepresentation.

 

Yes and yes, although I've never bothered for the latter.
Bear in mind that the ECU is physically opened and that may not be entirely inconspicuous. Depends a lot on the vendors experience.

 

Some big name tuners (APR / Cobb come to mind) have pure OBD-II solutions that don't require any ECU opening (plug something into the OBD-II port and voilah it's tuned).
Most modern ECU systems contain "flash counters" that get set every time the ECU is flashed (tuned) and unless your tuner is doing a full wipe (which might include that) it's detectable in some way.

Now, a bench flash (which is the term for when the ECU is opened and flashed using pins directly on the board) is easier than pure OBD-II solution, but is usually the only solution when the ECU is encrypted and the tuner doesn't have a way to decrypt or get around it.

Side note: I know APR (huge name in VW/Audi world) has developed a pure OBD-II solution for the 718 turbo cars that will be releasing in the near future. Cobb already has a solution, but that still requires a 1 time bench flash (you have to take your ECU out).

 

This may be related to Vw using Bosch across the board for high end engines, replacing Siemens in the case of the 911.

 

Very interesting!

I was always curious if a car I had purchased used had maybe been ECU modified and then returned to stock!

Looks like the Tuners of today are attempting just that! Good or bad, ethical or non ethical (please don't turn the thread into that debate) it appears it's all a matter of opinion.